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/*
* Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
#ifndef HPROF_UTIL_H
#define HPROF_UTIL_H
/* Macros that protect code from accidently using a local ref improperly */
#define WITH_LOCAL_REFS(env, number) \
{ \
JNIEnv *_env = (env); \
pushLocalFrame(_env, number); \
{ /* BEGINNING OF WITH SCOPE */
#define END_WITH_LOCAL_REFS \
} /* END OF WITH SCOPE */ \
popLocalFrame(_env, NULL); \
}
/* Macro to check for exceptions after JNI calls. */
#define CHECK_EXCEPTIONS(env) \
{ \
JNIEnv *_env = (env); \
jobject _exception; \
_exception = exceptionOccurred(_env); \
if ( _exception != NULL ) { \
exceptionDescribe(_env); \
HPROF_ERROR(JNI_TRUE, "Unexpected Exception found beforehand");\
} \
{
#define END_CHECK_EXCEPTIONS \
} \
_exception = exceptionOccurred(_env); \
if ( _exception != NULL ) { \
exceptionDescribe(_env); \
HPROF_ERROR(JNI_TRUE, "Unexpected Exception found afterward");\
} \
}
JNIEnv * getEnv(void);
/* JNI support functions */
jobject newGlobalReference(JNIEnv *env, jobject object);
jobject newWeakGlobalReference(JNIEnv *env, jobject object);
void deleteGlobalReference(JNIEnv *env, jobject object);
jobject newLocalReference(JNIEnv *env, jobject object);
void deleteLocalReference(JNIEnv *env, jobject object);
void deleteWeakGlobalReference(JNIEnv *env, jobject object);
jclass getObjectClass(JNIEnv *env, jobject object);
jmethodID getMethodID(JNIEnv *env, jclass clazz, const char* name,
const char *sig);
jclass getSuperclass(JNIEnv *env, jclass klass);
jmethodID getStaticMethodID(JNIEnv *env, jclass clazz, const char* name,
const char *sig);
jfieldID getStaticFieldID(JNIEnv *env, jclass clazz, const char* name,
const char *sig);
jclass findClass(JNIEnv *env, const char *name);
void setStaticIntField(JNIEnv *env, jclass clazz, jfieldID field,
jint value);
jboolean isSameObject(JNIEnv *env, jobject o1, jobject o2);
void pushLocalFrame(JNIEnv *env, jint capacity);
void popLocalFrame(JNIEnv *env, jobject ret);
jobject exceptionOccurred(JNIEnv *env);
void exceptionDescribe(JNIEnv *env);
void exceptionClear(JNIEnv *env);
void registerNatives(JNIEnv *env, jclass clazz,
JNINativeMethod *methods, jint count);
/* More JVMTI support functions */
char * getErrorName(jvmtiError error_number);
jvmtiPhase getPhase(void);
char * phaseString(jvmtiPhase phase);
void disposeEnvironment(void);
jlong getObjectSize(jobject object);
jobject getClassLoader(jclass klass);
jint getClassStatus(jclass klass);
jlong getTag(jobject object);
void setTag(jobject object, jlong tag);
void getObjectMonitorUsage(jobject object, jvmtiMonitorUsage *uinfo);
void getOwnedMonitorInfo(jthread thread, jobject **ppobjects,
jint *pcount);
void getSystemProperty(const char *name, char **value);
void getClassSignature(jclass klass, char**psignature,
char **pgeneric_signature);
void getSourceFileName(jclass klass, char** src_name_ptr);
jvmtiPrimitiveType sigToPrimType(char *sig);
int sigToPrimSize(char *sig);
char primTypeToSigChar(jvmtiPrimitiveType primType);
void getAllClassFieldInfo(JNIEnv *env, jclass klass,
jint* field_count_ptr, FieldInfo** fields_ptr);
void getMethodName(jmethodID method, char** name_ptr,
char** signature_ptr);
void getMethodClass(jmethodID method, jclass *pclazz);
jboolean isMethodNative(jmethodID method);
void getPotentialCapabilities(jvmtiCapabilities *capabilities);
void addCapabilities(jvmtiCapabilities *capabilities);
void setEventCallbacks(jvmtiEventCallbacks *pcallbacks);
void setEventNotificationMode(jvmtiEventMode mode, jvmtiEvent event,
jthread thread);
void * getThreadLocalStorage(jthread thread);
void setThreadLocalStorage(jthread thread, void *ptr);
void getThreadState(jthread thread, jint *threadState);
void getThreadInfo(jthread thread, jvmtiThreadInfo *info);
void getThreadGroupInfo(jthreadGroup thread_group, jvmtiThreadGroupInfo *info);
void getLoadedClasses(jclass **ppclasses, jint *pcount);
jint getLineNumber(jmethodID method, jlocation location);
jlong getMaxMemory(JNIEnv *env);
void createAgentThread(JNIEnv *env, const char *name,
jvmtiStartFunction func);
jlong getThreadCpuTime(jthread thread);
void getStackTrace(jthread thread, jvmtiFrameInfo *pframes, jint depth,
jint *pcount);
void getThreadListStackTraces(jint count, jthread *threads,
jint depth, jvmtiStackInfo **stack_info);
void getFrameCount(jthread thread, jint *pcount);
void followReferences(jvmtiHeapCallbacks *pHeapCallbacks, void *user_data);
/* GC control */
void runGC(void);
/* Get initial JVMTI environment */
void getJvmti(void);
/* Get current runtime JVMTI version */
jint jvmtiVersion(void);
/* Raw monitor functions */
jrawMonitorID createRawMonitor(const char *str);
void rawMonitorEnter(jrawMonitorID m);
void rawMonitorWait(jrawMonitorID m, jlong pause_time);
void rawMonitorNotifyAll(jrawMonitorID m);
void rawMonitorExit(jrawMonitorID m);
void destroyRawMonitor(jrawMonitorID m);
/* JVMTI alloc/dealloc */
void * jvmtiAllocate(int size);
void jvmtiDeallocate(void *ptr);
/* System malloc/free */
void * hprof_malloc(int size);
void hprof_free(void *ptr);
#include "debug_malloc.h"
#ifdef DEBUG
void * hprof_debug_malloc(int size, char *file, int line);
void hprof_debug_free(void *ptr, char *file, int line);
#define HPROF_MALLOC(size) hprof_debug_malloc(size, __FILE__, __LINE__)
#define HPROF_FREE(ptr) hprof_debug_free(ptr, __FILE__, __LINE__)
#else
#define HPROF_MALLOC(size) hprof_malloc(size)
#define HPROF_FREE(ptr) hprof_free(ptr)
#endif
#endif
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